Tutorial scenarios utilize old API functions no longer available - need help!

This is my first time giving programming a go, and first time using C#. I spent the better part of the last couple of days watching YouTube tutorials to get some basic understanding. That said, I started one of the programming tutorial scenarios, and have found that most of the scripts are using obsolete functions. I'm looking for some help on how to proceed with the script below

The underlined line of code below is where it gives the warning "outDoor.Open is obsolete, use Status property...

Tutorial scenarios utilize old API functions no longer available - need help!